Two former Parramatta Eels players are accused of harbouring semi-automatic weapons and possessing more than half-a-million dollars in cash after dramatic arrests in Sydney's Centennial Park yesterday.

Greens launch campaign in Sydney theatre

The NSW Greens are hoping to raise $5000 in donations at their campion launch, as they fight to have another MP elected to federal parliament.

State MPs Jenny Leong, Jamie Parker, Mehreen Faruqi and David Shoebridge and Senator Lee Rhiannon were among the 100 supporters at the Enmore Theatre, where party leader Richard Di Natale is due to speak later on Saturday.

Refugee policy is expected to dominate the morning, alongside issues such as affordable housing, the environment and industrial relations.